Deltec NFP509 Nitrate Filter

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Ensure your tank is as nitrate free as possible with a Deltec NFP509 Nitrate Filter, helping the nitrogen cycle along to quickly destroy nitrates as they develop from ammonia.


  • NFP509 Nitrate Filter
    code: 64300 Available (Usually delivered in 6 days)

Product Information

New Model Deltec NFP Nitrate Filters are a simple and efficient way of reducing the nitrate level in your aquarium.

The NFP509 is suitable for saltwater and freshwater aquariums between 200 and 1000 litres - 50 to 250 US gallons.

The standard version is supplied with a syringe and osmotic bag to feed the reactor with nitrate fluid.

So what's the background to this new product?

David Saxby spent great amounts of time and effort working with Deltec in Germany to create a new range of nitrate filters which would overcome many of the problems that are commonly found with this kind of reactor.

The nitrates in his 3,700 gallon aquarium had crept up to the 50-60 ppm level due mostly to the 400+ fish that the tank houses and was having an affect on the bright colours of some of the corals.

Working with the aim to make the new nitrate filter as simple and effective as possible it took about 10-12 weeks to bring the nitrate in his complete system to zero and involved many adaptations to the reactor.

The new units are alcohol fed which can be added by syringe, osmotic bag or by a specifically designed peristaltic pump and are capable of being pressurised so that they can sit in a cabinet below the tank if you do not have a sump.

DimensionsFor Aquaria up toDaily Carbon DosePower ConsumptionVoltageReaction Tube
225mm x 170mm x 560mm800 litres8 ml 10 Watt230/50Hz 90 mm

Features of the new nitrate reactor are:

  • Ease of cleaning via fully removable lid.
  • Large bore exit pipes that will not block.
  • Special media that will not choke up with dead bacteria.
  • Pressurised operation possible for flexibility of reactor positioning.
  • Re-circulation system to ensure an even distribution of nitrate and food to the bacteria.
  • Can be operated in manual, semi-automatic and fully automatic mode.

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